Observatory · observe first

Follow the allocation change

Matched S&P 500 members → sector → industry → sub-industry → company. Each step uses the same percentage points.

Historical time machine
Historical observation
20182026
Universe›Real Estate›Data Center REITs›Data Center REITs

1 · Sector

Weight and 12M allocation change

Communication Services4.9%+1.57 ppMaterials2.8%+0.74 ppUtilities3.7%+0.31 ppInformation Technology17.7%+0.29 ppReal Estate3.7%+0.14 ppConsumer Staples8.8%+0.03 ppHealth Care16.9%-0.00 ppConsumer Discretionary7.0%-0.03 ppIndustrials14.5%-0.19 ppEnergy3.9%-1.21 ppFinancials16.1%-1.65 pp

2 · Industry

Inside Real Estate

Telecom Tower REITs0.92%+0.14 ppTimber REITs0.11%-0.06 ppIndustrial REITs0.27%+0.06 ppHealth Care REITs0.39%+0.05 ppRetail REITs0.51%-0.04 ppMulti-Family Residential REITs0.40%+0.03 ppHotel & Resort REITs0.07%-0.02 ppSelf-Storage REITs0.30%-0.02 ppData Center REITs0.36%+0.01 ppOther Specialized REITs0.05%-0.01 ppReal Estate Services0.09%-0.01 ppOffice REITs0.19%-0.00 ppSingle-Family Residential REITs0.00%+0.00 pp

3 · Sub-industry

Inside Data Center REITs

Data Center REITs0.36%+0.014 pp
Concentrated

Most of this industry's gains came from a few companies.

View all contributions →
Data Center REITs · weight
0.36%
Industry change · 12M
+0.01 pp
Data Center REITs · contribution
+0.014 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jun 2019 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Equinix →
EQIX
United States$42.4bn0.229%+0.018 pp+0.021 pp+19.9%Yes
Digital Realty →
DLR
United States$24.5bn0.132%-0.010 pp-0.007 pp+9.4%Yes

Company contributions use weights among matched S&P 500 members and add through each level without rescaling. Companies without matched shares and prices are omitted. These observations do not establish official index weights or actual fund flows.